Providing Balance Electrical works for Damodar Building, Anushaktinagar, Mumbai - 400094

Amount

SECTION - I: Earthing in Existing concealed switch boards

SECTION-II: MISCELLANEOUS ITEMS

SECTION -III:LIGHTNING PROTECTION SYSTEM

SECTION -IV: MAINTENANCE FREE EARTHING SYSTEM

SECTION-V :Replacement of existing switchboard & Providing Ceiling Fan

Description of Work / Item(s)

Amount

Earthing in concealed switch boards of Flats : Termination of earthing in all existing concealed switch boards and sockets of each flat with 2.5 sq mm cu FRLS wire along with copper lugs and all other necessary accesories and as per the instructions of the Engineer-in-charge.

Earthing in concealed switch boards of Common areas :Termination of earthing in all existing concealed switch boards and sockets of common areas (Booster Pump Starter panel, Enclosure near entrance to the terrace, Lift Machine room sockets etc) with 2.5 sq mm cu FRLS wire along with copper lugs and all other necessary accesories and as per the instructions of the Engineer-in-charge.

Description of Work / Item(s)

Amount

Providing and fixing danger plates made of mild steel 200x150mm atleast 2 mm thick & vitreous enameled white on both sides and with inscriptions "Medium Voltage" in single red colour on front side as required.

Excavation of Earth : Excavation of earth in following type of soil as per specification.

All types of soil including murram

Hard Rock

Insulating Mat : Supply and fixing in position of 'A' class ELASTOMER' 'insulating mat for protection to operators for working voltages upto 3.3 KV as per IS 15652 - 2006 of size 1000mm (W) as per instructions of EIC.

Description of Work / Item(s)

Amount

Supply, installation, testing & commissioning of test link box consisting of 37 X 6 mm, heavily hot dipped GI test link, 25 X 8mm GI nut bolts & washers, suitable enclosure made of 2mm thick MS CRCA sheet with GI fixing screws/anchor fasteners etc., complete all as per STD drawing CSG/EM/STD -26 , specifications and as per the instructions of Engineer-in-charge.

Supply, installation, testing & commissioning of 25 x 6 mm heavily hot dipped GI earth strip for roofs conductors fixed on roof/wall/slab/ column with 5mm thick GI spacers fixed with no. 10 GI wood screws & 2 mm thick GI saddles with GI machine screws, interconnection of earth strip with welded joints and GI nut bolts & washer painting with two coats of metallic paint, etc. instructions of Engineer-in-charge.

Supply, installation, testing & commissioning of 25 x 6 mm heavily hot dipped GI earth strip for down conductors fixed on roof/wall/slab/ column with 5mm.thick GI spacers fixed with no. 10 GI wood screws & 2 mm thick GI saddles with GI machine screws, interconnection of earth strip with welded joints and GI nut bolts & washer painting with two coats of metallic paint, etc. instructions of Engineer-in-charge.

Supply, installation, testing & commissioning 37 X 6mm heavily hot dipped GI earth strip for ground conductors fixed with no.10 GI wood screws & 1-2 mm thick GI saddles with G.I machine screws or in ground at 750mm below including excavation in all types of soil/rock with temporary reinstatement & back filling of trench,interconnection of earth strip with welded joints and GI nut bolts & washers, painting with two coats of metallic Aluminium paint for above ground portion & painting with two coats of black bituminous compound for earth strip in ground etc. all as per drawing, specifications and as per the instructions of the Engineer-in-charge.

Description of Work / Item(s)

Amount

Supply,installation,testing & commissioning of maintenance free earthing system & associated works, etc.complete as per specifications & instructions of E-I-C. Note:1) Measurement of Earth resistance must be carried out as per instructions of EIC. 2) All type of excavation shall be measured under item no.2.0 of Section-II Miscellaneous item.

Providing and making earth station comprising of 17 mm dia 3m long earthing electrode of high tensile low carbon steel rod molecularly bonded 250 micron copper coating on the outer surface, UL listed, filling bore with suitable earth enhancement compound as per IEC 62561-7 & manufacturer's standard, surrounding the earth electrode complete with all required materials & instructions of EIC. . Note: The scope includes :-. 1) Installation of earth rods including making pit/ drilling rock as per manufacturer's recommendations & design. . 2) Exothermic welding of joints between earth electrode & GI / tinned Cu strip and between GI / tinned Cu strips,used for interconnection of earth electrodes. . 3) Each earth electrode shall be provided with poly plastic inspection chamber with cover as per OEM standard.

Supply & installation of 50x6mm & 150 mm long tinned Cu equipotential bar inside concrete chamber (600 x 600 x600 mm) as per instructions of EIC. Note: 1) The date of testing and earth resistance value shall be written on the cover with black base with yellow paint.

Supply & installation of discharge gap device with parallel connected surge voltage protector to couple different earthing system similar to M/S OBO make FS-V20 or equivalent in fibre glass reinforced polyester enclosure IP65 & IK08 of size 200 (H) x 250 (W) x 115 (D) mm similarto M/s Spelsberg cat no. Abox-i 250. . Note 1) The enclosure housing discharge gap device shall be installed in concrete chamber housing equipotential bar.. 2) The scope includes interconnection of equipotential bars of lightning & body earthing with suitable size flexible Cu conductor with bimetallic lug at one end as per site & instructions of EIC.

25 X 3 mm tinned copper strip fixed on wall/side of trench/slab /column /beam/ shaft connection to panel/DBs/SFU's etc. with 5mm thick G.I. Spacers & 2mm thick G.I. Saddle or in ground at 500 mm below with earth enhancing material surrounding the strip, including excavation in ground, refilling & removal of excess earth within a radius of 500 m, temporary instatement & backfilling of trench, consolidation, painting with two coats of black bituminous paint for earth wire/ strip in ground & green enamel paint for earth wire /strip on surface etc.

Description of Work / Item(s)

Amount

Replacement of Concealed switchboard in Kitchen: 6 module switch boards(concealed): Replacement of existing switch board including supply, installation, testing and commissioning with following switches, sockets, fan regulators with metallic frame plates with white colour polycarbonate cover plates ,with readymade GI concealed switch boards including termination of existing wires with suitable copper lugs, fixing of switch boards with suitable GI wood screws, nylon plugs etc. as required and as instructed by E.I.C. . Note: Scope of work also includes : i)Removal of existing Switchboard from wall, cutting of existing PVC casing & capping (if required) & dismantled switch boxes, switches, sockets, regulators etc shall be deposited to stores. ii) Concealment of new switchboard(concealed type) in the place of removed switchboard by making suitable space as required for installation of new switchboard by breaking the brick wall, cutting the existing conduits if required, filling the leftover gaps in wall after placing the switchboard with cement mortar, bricks etc. finishing by applying white cement & touch up painting of that area by roller/brush with suitable OBD paint etc. iii) Interconnections between switchboard accessories using new 1.1kV grade FRLS PVC insulated flexible 2.5sq.mm copper wires. iv) Providing New Ferrule numbers on both sides of existing wires. v) The scope also includes wiring of fan with 1.1 KV grade FRLS PVC insulated flexible 1.5sqmm wire from nearest switch board along with the tapping of the neutral and earth wire from the nearest light point in PVC casing & Capping and as per instruction of EIC.

6 module switch board in Kitchen (L,F,FR,EXF) with a) 6 module white modular plate with frame-1no. b) 6A, SP, 240V controlling point switches(1module)-3nos. c) Capacitor type 2 module 5-step fan regulator(suitable for BLDC ceiling fans)-1nos. d) 1 module blaking plate

Ceiling fan: Supply, installation, testing and commissioning of following BLDC ceiling fans confirming to IS 374/1979 with regulator controlled speed regulation with aluminium blades complete with 16SWG safety chain etc. as per technical specifications in technical bid and as instructed by the Engineer-in-charge. Note: Scope of work also includes 1.) Interconnection with fan point using 3C X 1.0 sq.mm flexible FRLS multistranded flexible copper conductor chord , 4 way terminal looping connector block (in existing concealed JB) including termination with suitable copper lugs etc. 2.) New square box, ceiling rose & Fabricated 2 mm thick PVC round cover plate for covering the fan junction box. Dimensions of PVC plate shall be same as of the existing plates.

900 mm sweep

Fan hook:- Fabrication, supply & installation of ceiling fan hook made up of 100 x 100 mm square plate fabricated out of 8mm thick MS plate and "U" shape hook made up of 8mm MS rod dulu welded with square plate, painted with two coats of synthetic enamel paint over one coat of red oxide paint including drilling holes in corners, fixing it by four nos. of anchor fastener of size min. 8 mm x 50 mm for suspension of ceiling fan, all as required and instructed by the Engineer-in-charge. Note: Sample fan hook shall be got approved by Dept. before bulk manufacturing of hooks.

Ramesh Electrical and Mechanical Works

Radha Electricals

Ramesh Electrical and Mechanical Works

Ramesh Electrical and Mechanical Works

Ramesh Electrical and Mechanical Works

Ramesh Electrical and Mechanical Works